<template>
  <div class="mui-numbox" data-numbox-min="1">
    <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
    <input id="test" class="mui-input-numbox" type="number" value="1" @change="countChanged" ref="number"/>
    <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
  </div>
</template>

<script>
import mui from '../../lib/mui/js/mui.min.js'
export default {
  data() {
    return {};
  },
  mounted() {
    // 初始化数字选择框
    mui('.mui-numbox').numbox()
  },
  methods: {
    // 每当文本框的数据变了，就把最新的数据，传递给父组件
    countChanged() {
      // console.log(this.$refs.number.value)
      this.$emit('getcount', parseInt(this.$refs.number.value))
    }
  },
  props:['max'],
  watch: {
    'max': function(newVal, oldVal) {
       mui(".mui-numbox")
        .numbox()
        .setOption("max", newVal);
    }
  }
};
</script>

<style lang="scss" scoped>

</style>

